Service manual Komatsu WA500-6 55001 & Up | SEN00236-01

Komatsu WA500-6 55001 & Up SEN00236-01 (Preview)

COVER
00 INDEX AND FOREWORD
– INDEX
— ORGANIZATION LIST OF THE SHOP MANUAL
— TABLE OF CONTENTS
– FOREWORD AND GENERAL INFORMATION
— SAFETY NOTICE
— HOW TO READ THE SHOP MANUAL
— EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
— HANDLING ELETRIC EQUIPMENT AND HYDRAULIC COMPONENT
— HOW TO READ ELECTRIC WIRE CODE
— METHOD OF DISASSEMBLING AND CONNECTING PUSH-PULL TYPE COUPLER
— STANDARD TIGHTENING TORQUE TABLE
— CONVERSION TABLE
01 SPECIFICATION
– SPECIFICATION AND TECHNICAL DATA
— SPECIFICATION DIMENSION DRAWING
— SPECIFICATIONS
— WEIGHT TABLE
— TABLE OF FUEL, COOLANT AND LUBRICANTS
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
– ENGINE AND COOLING SYSTEM
— COOLING SYSTEM
— ENGINE MOUNT AND TRANSMISSION MOUNT
– POWER TRAIN, PART 1
— POWER TRAIN
— POWER TRAIN SYSTEM DIAGRAM
— JOINT
— DRIVE SHAFT
— POWER TRAIN PIPING DIAGRAM
— TORQUE CONVERTER
— TORQUE CONVERTER REGULATOR VALVE
— TRANSMISSION
— TRANSFER
— TRANSMISSION CONTROL VALVE
— ECMV
— MAIN RELIEF VALVE AND TORQUE CONVERTER RELIEF VALVE
— LUBRICATION RELIEF VALVE
– POWER TRAIN, PART 2
— TORQUE CONVERTER OIL COOLER
— TORQUE CONVERTER OIL FILTER
— CENTER SUPPORT
— AXLE
— DIFFERENTIAL
— LIMITED SLIP DIFFERENTIAL
— FINAL DRIVE
– STEERING SYSTEM
— STEERING PIPING DIAGRAM
— STEERING COLUMN
— STEERING DEMAND VALVE
— STEERING VALVE
— STOP VALVE
— JOYSTICK STEERING LEVER LINKAGE
— STEERING CYLINDER
— EMERGENCY STEERING PIPING DIAGRAM
— DIVERTER VALVE
– BRAKE SYSTEM
— BRAKE PIPING DIAGRAM
— BRAKE VALVE
— SLACK ADJUSTER
— ACCUMULATOR CHARGE VALVE
— PPC RELIEF VALVE
— ACCUMULATOR (FOR BRAKE)
— BRAKE
— PARKING BRAKE CONTROL
— PARKING BRAKE
— PARKING BRAKE SOLENOID VALVE
— EMERGENCY PARKING BRAKE RELEASE VALVE
– UNDERCARRIAGE AND FRAME
— AXLE MOUNT
— CENTER HINGE PIN
– HYDRAULIC SYSTEM, PART 1
— HYDRAULIC PIPING DIAGRAM
— WORK EQUIPMENT CONTROL LEVER LINKAGE
— HYDRAULIC TANK
— COOLING FAN MOTOR
— COOLING FAN PUMP
— STEERING PUMP
— WORK EQUIPMENT HYDRAULIC PUMP
– HYDRAULIC SYSTEM, PART 2
— CONTROL VALVE
— CLSS
— OUTLINE OF CLSS
— EACH FUNCTION AND OPERATION OF EACH VALVE
— PRESSURE COMPENSATION VALVE
— SHUTTLE VALVE IN THE PRESSURE COMPENSATION VALVE
— AREA RATION OF PRESSURE COMPENSATION VALVE
— SUPPLY OF LS PRESSURE
— LS BYPASS PLUG
— ECSS CONTROL VALVE
— ACCUMULATOR CHARGE VALVE
— ACCUMULATOR (FOR PPC CIRCUIT)
— WORK EQUIPMENT ELECTRIC LEVER
– WORK EQUIPMENT
— WORK EQUIPMENT LINKAGE
— BUCKET
— BUCKER POSITIONER AND BOOM KICK-OUT
— WORK EQUIPMENT LUBRICATION
– CAB AND ITS ATTACHMENTS
— ROPS CAB
— AIR CONDITIONER
— AIR CONDITIONER PIPING DIAGRAM
— AIR CONDITIONER UNIT
— CONDENSER
— COMPRESSOR
– ELECTRICAL SYSTEM, PART 1
— MACHINE MONITOR SYSTEM
— MACHINE MONITOR
– ELECTRICAL SYSTEM, PART 2
— WORK EQUIPMENT CONTROL SYSTEM
— WORK EQUIPMENT CONTROL
— TRANSMISSION CONTROLLER SYSTEM
– ELECTRICAL SYSTEM, PART 3
— ELECTRIC TRANSMISSION CONTROL
— COMBINATION SWITCH
— ENGINE STARING CIRCUIT
— ENGINE STOPPING CIRCUIT
— PREHEATING CIRCUIT
— PARKING BRAKE CIRCUIT
— BACKUP AND STOP LAMP CIRCUITS
— SMALL LAMP AND HEAD LAMP CIRCUITS
— WORKING LAMP CIRCUIT
— HORN CIRCUIT
— WIPER AND WINDOW WASHER CIRCUITS
— SENSOR
— KOMTRAX TERMINAL SYSTEM
20 STANDARD VALUE TABLE
– STANDARD SERVICE VALUE TABLE
— STANDARD SERVICE VALUE TABLE FOR ENGINE
— STANDARD SERVICE VALUE TABLE FOR CHASSIS
30 TESTING AND ADJUSTING
– TESTING AND ADJUSTING, PART 1
— TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
— MEASURING ENGINE SPEED
— MEASURING EXHAUST GAS COLOR
— MEASURING EXHAUST TEMPERATURE
— ADJUSTING VALVE CLEARANCE
— TESTING COMPRESSION PRESSURE
— MEASURING BLOW-BY PRESSURE
— MEASURING ENGINE OIL PRESSURE
— MEASURING INTAKE AIR (BOOST) PRESSURE
— HANDLING FUEL SYSTEM EQUIPMENT
— RELEASING RESIDUAL PRESSURE IN FUEL SYSTEM
— TESTING FUEL PRESSURE
— TESTING RETURN RATE AND LEAKAGE
— BLEEDING AIR FROM FUEL CIRCUIT
— TESTING LEAKAGE IN FUEL SYSTEM
— HANDLING REDUCED CYLINDER MODE OPERATION
— HANDLING NO INJECTION CRANKING OPERATION
— HANDLING CONTROLLER VOLTAGE CIRCUIT
— TESTING AND ADJUSTING ALTERNATOR BELT TENSION
— TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION
— ADJUSTING TRANSMISSION SPEED SENSOR
— MEASURING DIRECTIONAL LEVER (STEERING WHEEL SPECIFICATION)
— TESTING AND ADJUSTING POWER TRAIN OIL PRESSURE
— FLUSHING PROCEDURE FOR TORQUE CONVERTER AND TRANSMISSION HYDRAULIC CIRCUIT
— METHOD OF MOVING MACHINE WHEN TRANSMISSION VALVE IS BROKEN
– TESTING AND ADJUSTING, PART 2
— TESTING AND ADJUSTING STEERING STOP VALVE
— TESTING AND ADJUSTING STEERING WHEEL
— TESTING STEERING OIL PRESSURE
— BLEEDING AIR FROM STEERING CYLINDER CIRCUIT
— TESTING HYDRAULIC DRIVE FAN
— BLEEDING AIR FROM HYDRAULIC DRIVE FAN CIRCUIT
— MEASURING BRAKE PEDAL
— MEASURING BRAKE PERFORMANCE
— TESTING AND ADJUSTING ACCUMULATOR CHARGE PRESSURE
— TESTING WHEEL BRAKE OIL PRESSURE
— MEASURING WEAR OF WHEEL BRAKE DISC
— BLEEDING AIR FROM WHEEL BRAKE CIRCUIT
— RELEASING RESIDUAL PRESSURE IN BRAKE ACCUMULATOR CIRCUIT
— TESTING PARKING BRAKE PERFORMANCE
— MEASURING PARKING BRAKE OIL PRESSURE
— TESTING WEAR OF PARKING BRAKE DISC
— METHOD OF RELEASING PARKING BRAKE MANUALLY
— MEASURING AND ADJUSTING WORK EQUIPMENT CONTROL LEVER
— TESTING AND ADJUSTING WORK EQUIPMENT PPC OIL PRESSURE
— MEASURING WORK EQUIPMENT OIL PRESSURE
— BLEEDING AIR FROM WORK EQUIPMENT CIRCUIT
— RELEASING RESIDUAL PRESSURE IN WORK EQUIPMENT CIRCUIT
— METHOD OF MOVING MACHINE WHEN REMOVING OPERATOR CAB (WHEN SPLITTABLE CAB IS USED)
— TESTING AND ADJUSTING BUCKET POSITIONER
— TESTING AND ADJUSTING LIFT ARM POSITION DETECTING LEVER
— CHECKING PROXIMITY SWITCH OPERATION INDICATION LAMP
— PROCEDURE FOR TESTING DIODES
— PREPARATIONS FOR WORK ON TROUBLESHOOTING OF ELECTRICAL SYSTEM
– TESTING AND ADJUSTING, PART 3
— STARTING KOMTRAX TERMINAL OPERATIONS
— INDICATOR LAMPS OF KOMTRAX TERMINAL
— MACHINE MONITOR-BASED ADJUSTMENT AT REPLACEMENT, DISASSEMBLY AND ASSEMBLY, AND ADDITIONAL INSTALLATION FOR EACH SENSOR AND CONTROLLER
— SPECIAL FUNCTIONS OF MACHINE MONITOR (EMMS)
– TESTING AND ADJUSTING, PART 4
— SPECIAL FUNCTIONS OF MACHINE MONITOR (EMMS)
— PM CLICK INSPECTION TABLE
40 TROUBLESHOOTING
– GENERAL INFORMATION ON TROUBLESHOOTING
— POINTS TO REMEMBER WHEN TROUBLESHOOTING
— SEQUENCE OF EVENTS IN TROUBLESHOOTING
— TESTING BEFORE TROUBLESHOOTING
— CLASSIFICATION AND PROCEDURES OF TROUBLESHOOTING
— CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
— T-BRANCH BOX AND T-BRANCH ADAPTER TABLE
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 1
— FAILURE CODES LIST
— BEFORE CARRYING OUT TROUBLESHOOTING FOR ELECTRICAL SYSTEM
— INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
— FAILURE CODE [1500L0] (TORQFLOW TRANSMISSION: DOUBLE MESHING)
— FAILURE CODE [15B0NX] (TRANSMISSION FILTER: CLOGGED)
— FAILURE CODE [15SAL1] (ECMV F CLUTCH: WHEN COMMAND CURRENT IS OFF, FILL SIGNAL IS ON)
— FAILURE CODE [15SALH] (ECMV F CLUTCH: WHEN COMMAND CURRENT IS ON, FILL SIGNAL IS OFF)
— FAILURE CODE [15SBL1] (ECMV R CLUTCH: WHEN COMMAND CURRENT IS OFF, FILL SIGNAL IS ON)
— FAILURE CODE [15SBLH] (ECMV R CLUTCH: WHEN COMMAND CURRENT IS ON, FILL SIGNAL IS OFF)
— FAILURE CODE [15SEL1] (ECMV 1ST CLUTCH: WHEN COMMAND CURRENT IS OFF, FILL SIGNAL IS ON)
— FAILURE CODE [15SELH] (ECMV 1ST CLUTCH: WHEN COMMAND CURRENT IS ON, FILL SIGNAL IS OFF)
— FAILURE CODE [15SFL1] (ECMV 2ND CLUTCH: WHEN COMMAND CURRENT IS OFF, FILL SIGNAL IS ON)
— FAILURE CODE [15SFLH] (ECMV 2ND CLUTCH: WHEN COMMAND CURRENT IS ON, FILL SIGNAL IS OFF)
— FAILURE CODE [15SGL1] (ECMV 3RD CLUTCH: WHEN COMMAND CURRENT IS OFF, FILL SIGNAL IS ON)
— FAILURE CODE [15SGLH] (ECMV 3RD CLUTCH: WHEN COMMAND CURRENT IS ON, FILL SIGNAL IS OFF)
— FAILURE CODE [15SHL1] (ECMV 4TH CLUTCH: WHEN COMMAND CURRENT IS OFF, FILL SIGNAL IS ON)
— FAILURE CODE [15SHLH] (ECMV 4TH CLUTCH: WHEN COMMAND CURRENT IS ON, FILL SIGNAL IS OFF)
— FAILURE CODE [2F00MA] (PARKING BRAKE: MALFUNCTION)
— FAILURE CODE [2G42ZG] (FRONT ACCUMULATOR: LOW OIL PRESSURE)
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 2
— FAILURE CODE [2G43ZG] (REAR ACCUMULATOR: LOW OIL PRESSURE)
— FAILURE CODE [44K0L4] (BUCKET POSITIONER: ON/OFF SIGNALS DISAGREE)
— FAILURE CODE [AA1ANX] (AIR CLEANER: CLOGGING)
— FAILURE CODE [AB00L6] (ALTERNATOR: SIGNAL DISAGREES WITH OPERATING STATE OF ENGINE)
— FAILURE CODE [AB00MA] (ALTERNATOR: MALFUNCTION)
— FAILURE CODE [B@BAZG] (ROTATION DERATING BY LOW ENGINE OIL PRESSURE)
— FAILURE CODE [B@BAZK] (ENGINE OIL: LOW LEVEL)
— FAILURE CODE [B@BCNS] (COOLANT: OVERHEATING)
— FAILURE CODE [B@BCZK] (COOLANT: LOW LEVEL)
— FAILURE CODE [B@C7NS] (BRAKE OIL: OVERHEATING)
— FAILURE CODE [B@CENS] (TORQUE CONVERTER OIL: OVERHEATING)
— FAILURE CODE [B@GAZK] (BATTERY ELECTROLYTE: LOW LEVEL)
— FAILURE CODE [B@HANS] (HYDRAULIC OIL: OVERHEATING)
— FAILURE CODE [CA111] (ABNORMALITY IN ENGINE CONTROLLER)
— FAILURE CODE [CA115] (ENGINE NE OR BKUP SPEED SENSOR ERROR)
— FAILURE CODE [CA122] (CHARGE PRESSURE SENSOR HIGH ERROR)
— FAILURE CODE [CA123] (CHARGE PRESSURE SENSOR LOW ERROR)
— FAILURE CODE [CA131] (THROTTLE SENSOR HIGH ERROR)
— FAILURE CODE [CA132] (THROTTLE SENSOR LOW ERROR)
— FAILURE CODE [CA135] (ENGINE OIL PRESSURE SENSOR HIGH ERROR)
— FAILURE CODE [CA141] (ENGINE OIL PRESSURE SENSOR LOW ERROR)
— FAILURE CODE [CA144] (COOLANT TEMPERATURE SENSOR HIGH ERROR)
— FAILURE CODE [CA145] (COOLANT TEMPERATURE SENSOR LOW ERROR)
— FAILURE CODE [CA153] (CHARGE TEMPERATURE SENSOR HIGH ERROR)
— FAILURE CODE [CA154] (CHARGE TEMPERATURE SENSOR LOW ERROR)
— FAILURE CODE [CA187] (SENSOR POWER SUPPLY 2 LOW ERROR)
— FAILURE CODE [CA221] (ATMOSPHERIC PRESSURE SENSOR HIGH ERROR)
— FAILURE CODE [CA222] (ATMOSPHERIC PRESSURE SENSOR LOW ERROR)
— FAILURE CODE [CA227] (SENSOR POWER SUPPLY 2 HIGH ERROR)
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 3
— FAILURE CODE [CA234] (ENGINE OVERSPEED)
— FAILURE CODE [CA238] (NE SPEED SENSOR POWER SUPPLY ERROR)
— FAILURE CODE [CA263] (FUEL TEMPERATURE SENSOR HIGH ERROR)
— FAILURE CODE [CA265] (FUEL TEMPERATURE SENSOR LOW ERROR)
— FAILURE CODE [CA271] (PCV1 SHORT CIRCUIT)
— FAILURE CODE [CA272] (PCV1 DISCONNECTION)
— FAILURE CODE [CA273] (PCV2 SHORT CIRCUIT)
— FAILURE CODE [CA274] (PCV2 DISCONNECTION)
— FAILURE CODE [CA322] (INJECTOR #1 (L/B #1) OPEN/SHORT ERROR)
— FAILURE CODE [CA323] (INJECTOR #5 (L/B #5) OPEN/SHORT ERROR)
— FAILURE CODE [CA324] (INJECTOR #3 (L/B #3) OPEN/SHORT ERROR)
— FAILURE CODE [CA325] (INJECTOR #6 (L/B #6) OPEN/SHORT ERROR)
— FAILURE CODE [CA331] (INJECTOR #2 (L/B #2) OPEN/SHORT ERROR)
— FAILURE CODE [CA332] (INJECTOR #4 (L/B #4) OPEN/SHORT ERROR)
— FAILURE CODE [CA342] (CALIBRATION CODE INCONSISTENCY)
— FAILURE CODE [CA351] (INJECTOR DRIVE CIRCUIT ERROR)
— FAILURE CODE [CA352] (SENSOR POWER SUPPLY 1 LOW ERROR)
— FAILURE CODE [CA386] (SENSOR POWER SUPPLY 1 HIGH ERROR)
— FAILURE CODE [CA431] (IDLE VALIDATION SWITCH ERROR)
— FAILURE CODE [CA432] (IDLE VALIDATION ACTION ERROR)
— FAILURE CODE [CA441] (BATTERY VOLTAGE LOW ERROR)
— FAILURE CODE [CA442] (BATTERY VOLTAGE HIGH ERROR)
— FAILURE CODE [CA449] COMMON RAIL PRESSURE HIGH ERROR 2
— FAILURE CODE [CA451] (COMMON RAIL PRESSURE SENSOR HIGH ERROR)
— FAILURE CODE [CA452] (COMMON RAIL PRESSURE SENSOR LOW ERROR)
— FAILURE CODE [CA553] (COMMON RAIL PRESSURE HIGH ERROR 1)
— FAILURE CODE [CA554] (COMMON RAIL PRESSURE SENSOR IN-RANGE ERROR)
— FAILURE CODE [CA559] (SUPPLY PUMP PRESSURE VERY LOW ERROR)
— FAILURE CODE [CA689] (ENGINE NE SPEED SENSOR ERROR)
— FAILURE CODE [CA731] (ENGINE BKUP SPEED SENSOR PHASE ERROR)
— FAILURE CODE [CA757] (ALL CONTINUOUS DATA LOST ERROR)
— FAILURE CODE [CA778] (ENGINE BKUP SPEED SENSOR ERROR)
— FAILURE CODE [CA1228] (EGR VALVE SERVO ERROR 1)
— FAILURE CODE [CA1625] (EGR VALVE SERVO ERROR 2)
— FAILURE CODE [CA1626] (BYPASS VALVE SOLENOID CURRENT HIGH ERROR)
— FAILURE CODE [CA1627] (BYPASS VALVE SOLENOID CURRENT LOW ERROR)
— FAILURE CODE [CA1628] (BYPASS VALVE SERVO ERROR 1)
— FAILURE CODE [CA1629] (BYPASS VALVE SERVO ERROR 2)
— FAILURE CODE [CA1631] (BYPASS VALVE LIFT SENSOR HIGH ERROR)
— FAILURE CODE [CA1632] (BYPASS VALVE LIFT SENSOR LOW ERROR)
— FAILURE CODE [CA1633] (KOMNET DATALINK TIMEOUT ERROR)
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 4
— FAILURE CODE [CA1642] (EGR INLET PRESSURE SENSOR LOW ERROR)
— FAILURE CODE [CA1653] (EGR INLET PRESSURE SENSOR HIGH ERROR)
— FAILURE CODE [CA2185] (THROTTLE SENSOR SUPPLY VOLTAGE HIGH ERROR)
— FAILURE CODE [CA2186] (THROTTLE SENSOR POWER SUPPLY LOW ERROR)
— FAILURE CODE [CA2249] (SUPPLY PUMP PRESSURE VERY LOW ERROR 2)
— FAILURE CODE [CA2271] (EGR VALVE LIFT SENSOR HIGH ERROR)
— FAILURE CODE [CA2272] (EGR VALVE LIFT SENSOR LOW ERROR)
— FAILURE CODE [CA2351] (EGR VALVE SOLENOID OPERATION SHORT CIRCUIT)
— FAILURE CODE [CA2352] (EGR VALVE SOLENOID OPERATION DISCONNECT)
— FAILURE CODE [CA2555] (INTAKE HEATER RELAY DISCONNECTION ERROR)
— FAILURE CODE [CA2556] (INTAKE HEATER RELAY SHORT CIRCUIT ERROR)
— FAILURE CODE [D160KA] (BACKUP LAMP RELAY: DISCONNECTION)
— FAILURE CODE [D160KZ] (BACKUP LAMP RELAY: DISCONNECTION OR SHORT CIRCUIT)
— FAILURE CODE [D191KA] (JOYSTICK STEERING NEUTRAL SAFETY RELAY: DISCONNECTION)
— FAILURE CODE [D191KB] (JOYSTICK STEERING NEUTRAL SAFETY RELAY: SHORT CIRCUIT)
— FAILURE CODE [D192KA] (ECSS SOLENOID: DISCONNECTION)
— FAILURE CODE [D192KB] (ECSS SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [D192KY] (ECSS SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [D193KA] (JOYSTICK STEERING SOLENOID CUT RELAY: DISCONNECTION)
— FAILURE CODE [D193KB] (JOYSTICK STEERING SOLENOID CUT RELAY: SHORT CIRCUIT)
— FAILURE CODE [D193KY] (JOYSTICK STEERING SOLENOID CUT RELAY: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [D5ZHKA] (TERMINAL C SIGNAL: DISCONNECTION)
— FAILURE CODE [D5ZHKB] (TERMINAL C SIGNAL: SHORT CIRCUIT)
— FAILURE CODE [D5ZHKZ] (TERMINAL C SIGNAL: DISCONNECTION OR SHORT CIRCUIT)
— FAILURE CODE [D5ZHL6] (TERMINAL C SIGNAL: SIGNAL DOES NOT MATCH ENGINE RUNNING OR STOPPED STATE)
— FAILURE CODE [DA80L4] (AUTO GREASE CONTROLLER: ON/OFF SIGNALS DISAGREE)
— FAILURE CODE [DAF3KK] (MACHINE MONITOR: LOW SOURCE VOLTAGE (INPUT))
— FAILURE CODE [DAF5KP] (MACHINE MONITOR: LOW OUTPUT VOLTAGE)
— FAILURE CODE [DAFRKR] (CAN COMMUNICATION WITH MACHINE MONITOR: DEFECTIVE COMMUNICATION (ABNORMALITY IN TARGET COMPONENT SYSTEM))
— FAILURE CODE [DAQ0KK] (TRANSMISSION CONTROLLER: LOW SOURCE VOLTAGE)
— FAILURE CODE [DAQ0KT] (TRANSMISSION CONTROLLER: ABNORMALITY IN CONTROLLER)
— FAILURE CODE [DAQ2KK] (TRANSMISSION CONTROLLER LOAD POWER SUPPLY LINE: LOW SOURCE VOLTAGE (INPUT))
— FAILURE CODE [DAQ9KQ] (TRANSMISSION CONTROLLER MODEL SELECTION: DISAGREEMENT OF MODEL SELECTION SIGNALS)
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 5
— FAILURE CODE [DAQRKR] (CAN COMMUNICATION WITH TRANSMISSION CONTROLLER: DEFECTIVE COMMUNICATION (ABNORMALITY IN TARGET COMPONENT SYSTEM))
— FAILURE CODE [DAQRMA] (CAN COMMUNICATION: MALFUNCTION WITH TRANSMISSION CONTROLLER)
— FAILURE CODE [DB2RKR] (CAN COMMUNICATION WITH ENGINE CONTROLLER: DEFECTIVE COMMUNICATION (ABNORMALITY IN TARGET COMPONENT SYSTEM)
— FAILURE CODE [DB90KK] WORK EQUIPMENT CONTROLLER: LOW SOURCE VOLTAGE (INPUT)
— FAILURE CODE [DB90KT] (WORK EQUIPMENT CONTROLLER: ABNORMALITY IN CONTROLLER)
— FAILURE CODE [DB92KK] WORK EQUIPMENT CONTROLLER LOAD POWER SUPPLY LINE: LOW SOURCE VOLTAGE (INPUT)
— FAILURE CODE [DB95KX] (WORK EQUIPMENT CONTROLLER POWER SUPPLY OUTPUT: OUT OF INPUT SIGNAL RANGE)
— FAILURE CODE [DB99KQ] (WORK EQUIPMENT CONTROLLER MODEL SELECTION WIRING HARNESS: DISAGREEMENT OF MODEL SELECTION SIGNALS)
— FAILURE CODE [DB9RKR] (CAN COMMUNICATION WITH WORK EQUIPMENT CONTROLLER: DEFECTIVE COMMUNICATION (ABNORMALITY IN TARGET COMPONENT SYSTEM)
— FAILURE CODE [DB9RMA] (CAN COMMUNICATION WITH WORK EQUIPMENT CONTROLLER: DEFECTIVE OPERATION)
— FAILURE CODE [DB9RMC] (CAN COMMUNICATION WITH WORK EQUIPMENT CONTROLLER: DEFECTIVE OPERATION)
— FAILURE CODE [DD15LD] (■ SWITCH (PANEL SWITCH 1): SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DD16LD] (◇ SWITCH (PANEL SWITCH 2): SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DD17LD] (< SWITCH (PANEL SWITCH 3): SWITCH IS KEPT PRESSED FOR LONG TIME) -- FAILURE CODE [DD18LD] (> SWITCH (PANEL SWITCH 4): SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DD1ALD] (REMOTE POSITIONER RAISE/LOWER SET SWITCH (RAISE): SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DD1BLD] (REMOTE POSITIONER RAISE/LOWER SET SWITCH (LOWER): SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DD1CLD] (LOAD METER SUBTOTAL SWITCH: SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DD1FLD] (LOAD METER MODE SELECTOR SWITCH (A/B): SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DD1GLD] (LOAD METER MODE SELECTOR SWITCH (+/-): SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DD1HLD] (LOAD METER DISPLAY SELECTOR SWITCH: SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DDA7L4] (RPM SET ON/OFF SWITCH: ON-OFF SIGNALS DISAGREE)
— FAILURE CODE [DDA8KB] (RPM SET IDLE-UP/DOWN SELECTOR SWITCH (IDLE-UP): SHORT CIRCUIT)
— FAILURE CODE [DDA9KB] (RPM SET IDLE-UP/DOWN SELECTOR SWITCH (IDLE-DOWN): SHORT CIRCUIT)
— FAILURE CODE [DDB6L4] (PARKING BRAKE SWITCH (NEUTRALIZER): ON/OFF SIGNALS DISAGREE)
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 6
— FAILURE CODE [DDD1LD] (REMOTE POSITIONER BUCKET ANGLE SET SWITCH: SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DDE5MA] (EMERGENCY STEERING DRIVE SWITCH: MALFUNCTION)
— FAILURE CODE [DDK3KA] (RIGHT FNR SWITCH: DISCONNECTION)
— FAILURE CODE [DDK3KB] (RIGHT FNR SWITCH: SHORT CIRCUIT)
— FAILURE CODE [DDK4KA] (JOYSTICK STEERING FNR SWITCH: DISCONNECTION)
— FAILURE CODE [DDK4KB] (JOYSTICK STEERING FNR SWITCH: SHORT CIRCUIT)
— FAILURE CODE [DDK5L4] (JOYSTICK STEERING SHIFT-UP/DOWN SWITCH: ON/OFF SIGNALS DISAGREE)
— FAILURE CODE [DDK6KA] (FNR LEVER SWITCH: DISCONNECTION)
— FAILURE CODE [DDK6KB] (FNR LEVER SWITCH: SHORT CIRCUIT)
— FAILURE CODE [DDT0L4] (SHIFT MODE SELECTOR SWITCH: ON/OFF SIGNALS DISAGREE)
— FAILURE CODE [DDT4LD] (TRANSMISSION CUT-OFF SET SWITCH: SWITCHIS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DDW9LD] (KICK-DOWN SWITCH: SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DDWLLD] (HOLD SWITCH: SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DDY0LD] (LOAD METER CANCEL SWITCH: SWITCH IS KEPT PRESSED FOR LONG TIME)
— FAILURE CODE [DF10KA] (TRANSMISSION SHIFT LEVER SWITCH: DISCONNECTION)
— FAILURE CODE [DF10KB] (TRANSMISSION SHIFT LEVER SWITCH: SHORT CIRCUIT)
— FAILURE CODE [DGF1KA] (TRANSMISSION OIL TEMPERATURE SENSOR: DISCONNECTION)
— FAILURE CODE [DGF1KB] (TRANSMISSION OIL TEMPERATURE SENSOR: SHORT CIRCUIT)
— FAILURE CODE [DGH2KX] (HYDRAULIC OIL TEMPERATURE SENSOR: OUT OF INPUT SIGNAL RANGE)
— FAILURE CODE [DGR2KA] (REAR BRAKE OIL TEMPERATURE SENSOR: DISCONNECTION)
— FAILURE CODE [DGR2KX] (REAR BRAKE OIL TEMPERATURE SENSOR: OUT OF INPUT SIGNAL RANGE)
— FAILURE CODE [DGT1KX] (TORQUE CONVERTER OIL TEMPERATURE SENSOR: OUT OF INPUT SIGNAL RANGE)
— FAILURE CODE [DH21KA] (WORK EQUIPMENT PUMP OIL PRESSURE SENSOR: DISCONNECTION)
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 7
— FAILURE CODE [DH21KB] (WORK EQUIPMENT PUMP OIL PRESSURE SENSOR: SHORT CIRCUIT)
— FAILURE CODE [DHPCKX] (LIFT ARM CYLINDER BOTTON PRESSURE SENSOR: OUT OF INPUT SIGNAL RANGE)
— FAILURE CODE [DHPDKX] (LIFT ARM CYLINDER HEAD PRESSURE SENSOR: OUT OF INPUT SIGNAL RANGE)
— FAILURE CODE [DHT1KX] (LIFT BRAKE PRESSURE SENSOR: OUT OF INPUT SIGNAL RANGE)
— FAILURE CODE [DHT2L6] (TRANSMISSION FILTER CLOGGING SENSOR: SIGNAL DISAGREES WITH OPERATING AND STOPPED STATES OF ENGINE)
— FAILURE CODE [DK59KA] (LIFT ARM EPC LEVER POTENTIOMETER (MAIN): DISCONNECTION)
— FAILURE CODE [DK59KY] (LIFT ARM EPC LEVER POTENTIOMETER (MAIN): SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DK59L8] (LIFT ARM EPC LEVER POTENTIOMETER (MAIN): ANALOG SIGNALS DISAGREE)
— FAILURE CODE [DK5AKA] (LIFT ARM EPC LEVER POTENTIOMETER (SUB): DISCONNECTION)
— FAILURE CODE [DK5AKY] (LIFT ARM EPC LEVER POTENTIOMETER (SUB): SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DK5BKA] (BUCKET EPC LEVER POTENTIOMETER (MAIN): DISCONNECTION)
— FAILURE CODE [DK5BKY] (BUCKET EPC LEVER POTENTIOMETER (MAIN): SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DK5BL8] (BUCKET EPC LEVER POTENTIOMETER (MAIN): ANALOG SIGNALS DISAGREE)
— FAILURE CODE [DK5CKA] (BUCKET EPC LEVER POTENTIOMETER (SUB): DISCONNECTION)
— FAILURE CODE [DK5CKY] (BUCKET EPC LEVER POTENTIOMETER (SUB): SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DK5DKA] (3-SPOOL VALVE (ATTACHMENT) EPC LEVER POTENTIOMETER (MAIN): DISCONNECTION)
— FAILURE CODE [DK5DKY] (3-SPOOL VALVE (ATTACHMENT) EPC LEVER POTENTIOMETER (MAIN): SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DK5DL8] (3-SPOOL VALVE (ATTACHMENT) EPC LEVER POTENTIOMETER (MAIN): ANALOG SIGNALS DISAGREE)
— FAILURE CODE [DK5EKA] (3-SPOOL VALVE (ATTACHMENT) EPC LEVER POTENTIOMETER (SUB): DISCONNECTION)
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 8
— FAILURE CODE [DK5EKY] (3-SPOOL VALVE EPC LEVER POTENTIOMETER (SUB): SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DK5FKA] (JOYSTICK STEERING EPC LEVER POTENTIOMETER (MAIN): DISCONNECTION)
— FAILURE CODE [DK5FKY] (JOYSTICK STEERING EPC LEVER POTENTIOMETER (MAIN): SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DK5GKA] (JOYSTICK STEERING EPC LEVER POTENTIOMETER (SUB): DISCONNECTION)
— FAILURE CODE [DK5GKY] (JOYSTICK STEERING EPC LEVER POTENTIOMETER (SUB): SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DK5FL8] (JOYSTICK STEERING EPC LEVER POTENTIOMETER (MAIN): ANALOG SIGNALS DISAGREE)
— FAILURE CODE [DKA0KA] (LIFT ARM ANGLE SENSOR: DISCONNECTION)
— FAILURE CODE [DKA0KX] (LIFT ARM ANGLE SENSOR: OUT OF INPUT SIGNAL RANGE)
— FAILURE CODE [DKA0KY] (LIFT ARM ANGLE SENSOR: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DKA0L0] (LIFT ARM ANGLE SENSOR: DOUBLE MESHING)
— FAILURE CODE [DLF1KA] (TRANSMISSION INPUT SHAFT SPEED SENSOR: DISCONNECTION)
— FAILURE CODE [DLF1LC] (TRANSMISSION INPUT SHAFT SPEED SENSOR: SPEED SIGNALS DISAGREE)
— FAILURE CODE [DLT4KB] (TRANSMISSION OUTPUT SHAFT SPEED SENSOR: SHORT CIRCUIT)
— FAILURE CODE [DLT4KX] (TRANSMISSION OUTPUT SHAFT SPEED SENSOR : OUT OF INPUT SIGNAL RANGE)
— FAILURE CODE [DT20KB] (TRANSMISSION CUT-OFF INDICATOR LAMP: SHORT CIRCUIT)
— FAILURE CODE [DUM1KB] (REMOTE POSITIONER RAISE SET INDICATOR LAMP: SHORT CIRCUIT)
— FAILURE CODE [DUM2KB] (REMOTE POSITIONER LOWER SET INDICATOR LAMP: SHORT CIRCUIT)
— FAILURE CODE [DV00KB] (ALARM BUZZER: SHORT CIRCUIT)
— FAILURE CODE [DW4PKA] (LIFT ARM RAISE EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DW4PKB] (LIFT ARM RAISE EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DW4PKY] (LIFT ARM RAISE EPC SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DW4QKA] (LIFT ARM LOWER EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DW4QKB] (LIFT ARM LOWER EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DW4QKY] (LIFT ARM LOWER EPC SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DW4RKA] (BUCKET TILT EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DW4RKB] (BUCKET TILT EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DW4RKY] (BUCKET TILT EPC SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 9
— FAILURE CODE [DW4SKA] (BUCKET DUMP EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DW4SKB] (BUCKET DUMP EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DW4SKY] (BUCKET DUMP EPC SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DW7BKA] (FAN REVERSE SOLENOID: DISCONNECTION)
— FAILURE CODE [DW7BKB] (FAN REVERSE SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DW7BKY] (FAN REVERSE SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DW7DKA] (HYDRAULIC DRIVE FAN NEUTRAL SOLENOID: DISCONNECTION)
— FAILURE CODE [DW7DKB] (HYDRAULIC DRIVE FAN NEUTRAL SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DW7DKY] (HYDRAULIC DRIVE FAN NEUTRAL SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DWM1KA] (WORK EQUIPMENT NEUTRAL LOCK SOLENOID: DISCONNECTION)
— FAILURE CODE [DWM1KB] (WORK EQUIPMENT NEUTRAL LOCK SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DWM1KY] (WORK EQUIPMENT NEUTRAL LOCK SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DWN6KA] (LIFT ARM RAISE MAGNET DETENT SOLENOID: DISCONNECTION)
— FAILURE CODE [DWN6KB] (LIFT ARM RAISE MAGNET DETENT SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DWN6KY] (LIFT ARM RAISE MAGNET DETENT SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DWN7KA] (LIFT ARM FLOAT MAGNET DETENT SOLENOID: DISCONNECTION)
— FAILURE CODE [DWN7KB] (LIFT ARM FLOAT MAGNET DETENT SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DWN7KY] (LIFT ARM FLOAT MAGNET DETENT SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DWN8KA] (BUCKET TILT MAGNET DETENT SOLENOID: DISCONNECTION)
— FAILURE CODE [DWN8KB] (BUCKET TILT MAGNET DETENT SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DWN8KY] (BUCKET TILT MAGNET DETENT SOLENOID: SHORTED WITH THE POWER SOURCE)
— FAILURE CODE [DX16KA] (FAN PUMP EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DX16KB] (FAN PUMP EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DX16KY] (FAN PUMP EPC SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXA1KA] (PUMP PC-EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DXA1KB] (PUMP PC-EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXH1KA] (LOCKUP ECMV SOLENOID: DISCONNECTION)
— FAILURE CODE [DXH1KB] (LOCKUP ECMV SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXH1KY] (LOCKUP ECMV SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXH4KA] (1ST CLUTCH ECMV SOLENOID: DISCONNECTION)
— FAILURE CODE [DXH4KB] (1ST CLUTCH ECMV SOLENOID: SHORT CIRCUIT)
– TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 10
— FAILURE CODE [DXH4KY] (1ST CLUTCH ECMV SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXH5KA] (2ND CLUTCH ECMV SOLENOID: DISCONNECTION)
— FAILURE CODE [DXH5KB] (2ND CLUTCH ECMV SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXH5KY] (2ND CLUTCH ECMV SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXH6KA] (3RD CLUTCH ECMV SOLENOID: DISCONNECTION)
— FAILURE CODE [DXH6KB] (3RD CLUTCH ECMV SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXH6KY] (3RD CLUTCH ECMV SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXH7KA] (R CLUTCH ECMV SOLENOID: DISCONNECTION)
— FAILURE CODE [DXH7KB] (R CLUTCH ECMV SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXH7KY] (R CLUTCH ECMV SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXH8KA] (F CLUTCH ECMV SOLENOID: DISCONNECTION)
— FAILURE CODE [DXH8KB] (F CLUTCH ECMV SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXH8KY] (F CLUTCH ECMV SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXHHKA] (4TH CLUTCH ECMV SOLENOID: DISCONNECTION)
— FAILURE CODE [DXHHKB] (4TH CLUTCH ECMV SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXHHKY] (4TH CLUTCH ECMV SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXHJKA] (3-SPOOL VALVE EXTRACT EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DXHJKB] (3-SPOOL VALVE EXTRACT EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXHJKY] (3-SPOOL VALVE EXTRACT EPC SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXHKKA] (3-SPOOL VALVE RETRACT EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DXHKKB] (3-SPOOL VALVE RETRACT EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXHKKY] (3-SPOOL VALVE RETRACT EPC SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXHLKA] (JOYSTICK STEERING RIGHT EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DXHLKB] (JOYSTICK STEERING RIGHT EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXHLKY] (JOYSTICK STEERING RIGHT EPC SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
— FAILURE CODE [DXHMKA] (JOYSTICK STEERING LEFT EPC SOLENOID: DISCONNECTION)
— FAILURE CODE [DXHMKB] (JOYSTICK STEERING LEFT EPC SOLENOID: SHORT CIRCUIT)
— FAILURE CODE [DXHMKY] (JOYSTICK STEERING LEFT EPC SOLENOID: SHORT CIRCUIT WITH POWER SUPPLY LINE)
– TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
— BEFORE CARRYING OUT TROUBLESHOOTING OF ELECTRICAL SYSTEM
— INFORMATION IN TROUBLESHOOTING TABLE
— E-1 ENGINE DOES NOT START
— E-2 WIPER DOES NOT OPERATE
— E-3 WINDSHIELD WASHER DOES NOT OPERATE
— E-4 HEADLAMP, CLEARANCE LAMP, TAIL LAMP, AND LICENSE LAMP DO NOT LIGHT UP OR GO OFF
— E-5 WORKING LAMP DOES NOT LIGHT UP OR GO OFF
— E-6 TURN SIGNAL LAMP AND HAZARD LAMP DO NOT LIGHT UP OR GO OFF
— E-7 BRAKE LAMP DOES NOT LIGHT OR IT KEEPS LIGHTING UP
— E-8 BACKUP LAMP DOES NOT LIGHT OR IT KEEPS LIGHTING UP
— E-9 BACKUP BUZZER DOES NOT SOUND OR IT KEEPS SOUNDING
— E-10 HORN DOES NOT SOUND OR IT KEEPS SOUNDING
— E-11 ALARM BUZZER DOES NOT SOUND OR IT KEEPS SOUNDING
— E-12 AIR CONDITIONER DOES NOT OPERATE OR STOP
— E-13 KOMTRAX SYSTEM DOES NOT WORK PROPERLY
– TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H-MODE)
— METHOD OF USING TROUBLESHOOTING CHART
— TABLE OF FAILURE MODES AND CAUSES
— H-1 MACHINE DOES NOT START
— H-2 TORQUE CONVERTER LOCKUP IS NOT SWITCHED OFF (ENGINE STALLS) [MACHINE WITH LOCKUP CLUTCH (IF EQUIPPED)]
— H-3 TORQUE CONVERTER LOCKUP IS NOT TURNED ON [MACHINE WITH LOCKUP CLUTCH (IF EQUIPPED)]
— H-4 TRAVEL SPEED IS SLOW, THRUSTING FORCE IS WEAK, UPHILL TRAVELING POWER IS WEAK, AND GEAR IS NOT SHIFTED
— H-5 SHOCKS ARE LARGE AT THE TIMES OF STARTING AND SHIFTING GEAR
— H-6 TIME LAG IS LARGE AT THE TIMES OF STARTING AND SHIFTING GEAR
— H-7 TORQUE CONVERTER OIL TEMPERATURE IS HIGH
— H-8 STEERING DOES NOT TURN
— H-9 STEERING DOES NOT TURN [MACHINE WITH JOYSTICK STEERING (IF EQUIPPED)]
— H-10 STEERING RESPONSE IS LOW
— H-11 TURNING, RESPONSE OF STEERING IS POOR [MACHINE WITH JOYSTICK STEERING (IF EQUIPPED)]
— H-12 STEERING IS HEAVY
— H-13 WHEN MACHINE TURNS, IT SHAKES OR MAKES LARGE SHOCKS
— H-14 WHEN MACHINE TURNS, IT SHAKES OR MAKES LARGE SHOCKS [MACHINE WITH JOYSTICK STEERING (IF EQUIPPED)]
— H-15 WHEEL BRAKE DOES NOT WORK OR DOES NOT WORK WELL
— H-16 WHEEL BRAKE IS NOT RELEASED OR IT DRAGS
— H-17 PARKING BRAKE DOES NOT WORK OR DOES NOT WORK WELL
— H-18 PARKING BRAKE IS NOT RELEASED OR IT DRAGS (INCLUDING EMERGENCY RELEASE SYSTEM)
— H-19 LIFT ARM DOES NOT RISE
— H-20 LIFT ARM SPEED IS LOW OR RISING FORCE OF LIFT ARM IS INSUFFICIENT
— H-21 WHEN RISING, LIFT ARM COMES TO MOVE SLOWLY AT SPECIFIC HEIGHT
— H-22 LIFT ARM CYLINDER CANNOT HOLD DOWN BUCKET (BUCKET FLOATS)
— H-23 HYDRAULIC DRIFTS OF LIFT ARM OCCUR OFTEN
— H-24 LIFT ARM WOBBLES DURING OPERATION
— H-25 BUCKET DOES NOT TILT BACK
— H-26 BUCKET SPEED IS LOW OR TILTING BACK FORCE IS INSUFFICIENT
— H-27 BUCKET COMES TO OPERATE SLOWLY IN THE MIDST OF TILTING-BACK
— H-28 BUCKET CYLINDER CANNOT HOLD DOWN THE BUCKET
— H-29 HYDRAULIC DRIFTS OF BUCKET OCCUR OFTEN
— H-30 BUCKET WOBBLES DURING TRAVEL WITH CARGO (WORK EQUIPMENT VALVE IS SET TO “HOLD”)
— H-31 DURING OPERATION OF MACHINE, ENGINE SPEED LOWERS REMARKABLY OR ENGINE STALLS
— H-32 LARGE SHOCKS ARE MADE WHEN WORK EQUIPMENT STARTS AND STOPS
— H-33 WHEN WORK EQUIPMENT CIRCUIT IS RELIEVED SINGLY, OTHER WORK EQUIPMENT MOVES
— H-34 ECSS DOES NOT OPERATE, AND PITCHING AND BOUNCING OCCUR
– TROUBLESHOOTING OF ENGINE (S-MODE)
— METHOD OF USING TROUBLESHOOTING CHART
— S-1 ENGINE DOES NOT START EASILY
— S-2 ENGINE DOES NOT START
— S-3 ENGINE DOES NOT PICK UP SMOOTHLY
— S-4 ENGINE STOPS DURING OPERATION
— S-5 ENGINE DOES NOT ROTATE SMOOTHLY (ENGINE HUNTS)
— S-6 ENGINE LACKS OUTPUT (OR LACKS POWER)
— S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)
— S-8 OIL IS CONSUMED MUCH (OR EXHAUST GAS COLOR IS BLUE)
— S-9 ENGINE OIL BECOMES CONTAMINATED QUICKLY
— S-10 FUEL CONSUMPTION IS EXCESSIVE
— S-11 COOLANT CONTAINS OIL (BLOWS BACK OR REDUCES)
— S-12 OIL PRESSURE DROPS
— S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)
— S-14 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING)
— S-15 ABNORMAL NOISE IS MADE
— S-16 VIBRATION IS EXCESSIVE
90 DIAGRAMS AND DRAWINGS
– HYDRAULIC DIAGRAMS AND DRAWINGS
— POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
— BRAKE HYDRAULIC CIRCUIT DIAGRAM
— WORK EQUIPMENT HYDRAUILC CIRCUIT DIAGRAM
– ELECTRICAL DIAGRAMS AND DRAWINGS
— AIR CONDITIONER ELECTRICAL CIRCUIT DIAGRAM
— ELECTRICAL CIRCUIT DIAGRAM (1/7)
— ELECTRICAL CIRCUIT DIAGRAM (2/7)
— ELECTRICAL CIRCUIT DIAGRAM (3/7)
— ELECTRICAL CIRCUIT DIAGRAM (4/7)
— ELECTRICAL CIRCUIT DIAGRAM (5/7)
— ELECTRICAL CIRCUIT DIAGRAM (6/7)
— ELECTRICAL CIRCUIT DIAGRAM (7/7)
— CONNECTOR ARRANGEMENT DIAGRAM